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Magnesium in PDB 2h42: Crystal Structure of PDE5 in Complex with Sildenafil

Enzymatic activity of Crystal Structure of PDE5 in Complex with Sildenafil

All present enzymatic activity of Crystal Structure of PDE5 in Complex with Sildenafil:
3.1.4.35;

Protein crystallography data

The structure of Crystal Structure of PDE5 in Complex with Sildenafil, PDB code: 2h42 was solved by H.Wang, H.Ke, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 30.00 / 2.30
Space group P 62 2 2
Cell size a, b, c (Å), α, β, γ (°) 164.575, 164.575, 193.127, 90.00, 90.00, 120.00
R / Rfree (%) 21 / 24.6

Other elements in 2h42:

The structure of Crystal Structure of PDE5 in Complex with Sildenafil also contains other interesting chemical elements:

Zinc (Zn) 3 atoms

Magnesium Binding Sites:

The binding sites of Magnesium atom in the Crystal Structure of PDE5 in Complex with Sildenafil (pdb code 2h42). This binding sites where shown within 5.0 Angstroms radius around Magnesium atom.
In total 3 binding sites of Magnesium where determined in the Crystal Structure of PDE5 in Complex with Sildenafil, PDB code: 2h42:
Jump to Magnesium binding site number: 1; 2; 3;

Magnesium binding site 1 out of 3 in 2h42

Go back to Magnesium Binding Sites List in 2h42
Magnesium binding site 1 out of 3 in the Crystal Structure of PDE5 in Complex with Sildenafil


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 1 of Crystal Structure of PDE5 in Complex with Sildenafil within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Mg502

b:39.0
occ:1.00
OD1 A:ASP654 2.1 31.1 1.0
O A:HOH111 2.6 37.2 1.0
CG A:ASP654 3.3 28.2 1.0
OE2 A:GLU682 3.6 30.2 1.0
OG1 A:THR723 3.7 20.7 1.0
O A:HIS653 3.7 23.2 1.0
NE2 A:HIS685 3.8 25.1 1.0
CD2 A:HIS685 3.9 25.4 1.0
OD2 A:ASP654 3.9 32.2 1.0
CD2 A:HIS653 4.0 25.0 1.0
O A:THR723 4.1 21.1 1.0
CB A:THR723 4.2 21.0 1.0
ZN A:ZN501 4.4 42.0 1.0
CD A:GLU682 4.4 30.2 1.0
CB A:ASP654 4.5 26.0 1.0
CG A:GLU682 4.5 30.1 1.0
CA A:ASP654 4.6 24.1 1.0
C A:HIS653 4.6 23.0 1.0
CD2 A:HIS657 4.6 25.9 1.0
O A:HOH102 4.6 36.1 1.0
C A:THR723 4.6 20.9 1.0
CE1 A:HIS685 4.8 25.4 1.0
NE2 A:HIS653 4.8 28.8 1.0
NE2 A:HIS657 4.9 25.7 1.0
CG A:HIS685 5.0 25.8 1.0
N A:ASP654 5.0 23.3 1.0

Magnesium binding site 2 out of 3 in 2h42

Go back to Magnesium Binding Sites List in 2h42
Magnesium binding site 2 out of 3 in the Crystal Structure of PDE5 in Complex with Sildenafil


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 2 of Crystal Structure of PDE5 in Complex with Sildenafil within 5.0Å range:
probe atom residue distance (Å) B Occ
B:Mg504

b:38.3
occ:1.00
OD1 B:ASP654 2.1 27.2 1.0
O B:HOH254 2.9 22.7 1.0
CG B:ASP654 3.1 25.2 1.0
OD2 B:ASP654 3.4 29.7 1.0
ZN B:ZN503 3.9 45.4 1.0
CD2 B:HIS613 4.0 20.9 1.0
NE2 B:HIS613 4.0 21.5 1.0
O B:HOH228 4.1 38.5 1.0
CD2 B:HIS657 4.1 17.3 1.0
NE2 B:HIS657 4.2 17.2 1.0
CB B:ASP654 4.4 22.1 1.0
CD2 B:HIS653 4.5 25.5 1.0
NE2 B:HIS685 4.6 19.5 1.0
O B:THR723 4.7 20.9 1.0
OE2 B:GLU682 4.7 31.3 1.0
NE2 B:HIS653 4.8 29.8 1.0
CG B:HIS613 4.9 20.7 1.0
CE1 B:HIS613 4.9 21.2 1.0
O B:HIS653 4.9 19.7 1.0
OG1 B:THR723 4.9 17.1 1.0
CA B:ASP654 5.0 18.8 1.0
OD2 B:ASP764 5.0 24.3 1.0
CD2 B:HIS685 5.0 18.3 1.0
O B:HOH250 5.0 37.0 1.0

Magnesium binding site 3 out of 3 in 2h42

Go back to Magnesium Binding Sites List in 2h42
Magnesium binding site 3 out of 3 in the Crystal Structure of PDE5 in Complex with Sildenafil


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 3 of Crystal Structure of PDE5 in Complex with Sildenafil within 5.0Å range:
probe atom residue distance (Å) B Occ
C:Mg506

b:35.3
occ:1.00
OD1 C:ASP654 2.1 28.1 1.0
O C:HOH255 2.7 21.1 1.0
O C:HOH124 3.0 25.6 1.0
CG C:ASP654 3.1 26.2 1.0
O C:HOH257 3.3 20.1 1.0
NE2 C:HIS657 3.4 22.7 1.0
CD2 C:HIS657 3.5 22.8 1.0
OD2 C:ASP654 3.5 32.0 1.0
CD2 C:HIS613 3.7 18.4 1.0
NE2 C:HIS613 3.9 18.2 1.0
ZN C:ZN505 4.3 46.2 1.0
CB C:ASP654 4.4 23.9 1.0
NE2 C:HIS685 4.5 20.7 1.0
O C:HOH152 4.5 26.5 1.0
O C:HOH193 4.6 32.0 1.0
CG C:HIS613 4.6 18.9 1.0
OE2 C:GLU682 4.7 24.4 1.0
CE1 C:HIS657 4.7 23.0 1.0
CG C:HIS657 4.8 22.8 1.0
CE1 C:HIS613 4.8 17.8 1.0
CD2 C:HIS653 4.9 23.6 1.0
O C:THR723 5.0 18.8 1.0
CA C:ASP654 5.0 22.3 1.0

Reference:

H.Wang, Y.Liu, Q.Huai, J.Cai, R.Zoraghi, S.H.Francis, J.D.Corbin, H.Robinson, Z.Xin, G.Lin, H.Ke. Multiple Conformations of Phosphodiesterase-5: Implications For Enzyme Function and Drug Development J.Biol.Chem. V. 281 21469 2006.
ISSN: ISSN 0021-9258
PubMed: 16735511
DOI: 10.1074/JBC.M512527200
Page generated: Tue Aug 13 23:42:20 2024

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